TY - JOUR A1 - Grundy, E. A1 - Glaser, K. T1 - Socio-demographic differences in the onset and progression of disability in early old age: A longitudinal study Y1 - 2000 DO - 10.1093/ageing/29.2.149 JF - Age and Ageing VL - 29 SP - 149 EP - -157 ER -